vf_il.c File Reference

(de)interleave fields filter More...

#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "internal.h"

Go to the source code of this file.

Data Structures
struct	IlContext

Macros
#define	OFFSET(x)   offsetof(IlContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Enumerations
enum	FilterMode { MODE_NONE, MODE_INTERLEAVE, MODE_DEINTERLEAVE }

Functions
	AVFILTER_DEFINE_CLASS (il)
static int	query_formats (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static void	interleave (uint8_t *dst, uint8_t *src, int w, int h, int dst_linesize, int src_linesize, enum FilterMode mode, int swap)
static int	filter_frame (AVFilterLink *inlink, AVFrame *inpicref)

Variables
static const AVOption	il_options []
static const AVFilterPad	inputs []
static const AVFilterPad	outputs []
AVFilter	avfilter_vf_il

Detailed Description

(de)interleave fields filter

Definition in file vf_il.c.

Macro Definition Documentation

#define OFFSET

(

x

)

offsetof(IlContext, x)

Definition at line 48 of file vf_il.c.

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 49 of file vf_il.c.

Enumeration Type Documentation

enum FilterMode

Enumerator:

MODE_NONE
MODE_INTERLEAVE
MODE_DEINTERLEAVE

Definition at line 33 of file vf_il.c.

Function Documentation

AVFILTER_DEFINE_CLASS

(

il

)

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 84 of file vf_il.c.

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 99 of file vf_il.c.

static void interleave ( uint8_t *  dst, uint8_t *  src, int  w, int  h, int  dst_linesize, int  src_linesize, enum FilterMode  mode, int  swap  )

static

Definition at line 116 of file vf_il.c.

Referenced by filter_frame().

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  inpicref  )

static

Definition at line 147 of file vf_il.c.

Variable Documentation

const AVOption il_options[]

static

Initial value:

= {
    {"luma_mode",   "select luma mode", OFFSET(luma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, "luma_mode"},
    {"l",           "select luma mode", OFFSET(luma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, "luma_mode"},
    {"none",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_NONE},         0, 0, FLAGS, "luma_mode"},
    {"interleave",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, "luma_mode"},
    {"i",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, "luma_mode"},
    {"deinterleave", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, "luma_mode"},
    {"d",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, "luma_mode"},
    {"chroma_mode", "select chroma mode", OFFSET(chroma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, "chroma_mode"},
    {"c",           "select chroma mode", OFFSET(chroma_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, "chroma_mode"},
    {"none",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_NONE},         0, 0, FLAGS, "chroma_mode"},
    {"interleave",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, "chroma_mode"},
    {"i",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, "chroma_mode"},
    {"deinterleave", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, "chroma_mode"},
    {"d",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, "chroma_mode"},
    {"alpha_mode", "select alpha mode", OFFSET(alpha_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, "alpha_mode"},
    {"a",          "select alpha mode", OFFSET(alpha_mode), AV_OPT_TYPE_INT, {.i64=MODE_NONE}, MODE_NONE, MODE_DEINTERLEAVE, FLAGS, "alpha_mode"},
    {"none",         NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_NONE},         0, 0, FLAGS, "alpha_mode"},
    {"interleave",   NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, "alpha_mode"},
    {"i",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_INTERLEAVE},   0, 0, FLAGS, "alpha_mode"},
    {"deinterleave", NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, "alpha_mode"},
    {"d",            NULL, 0, AV_OPT_TYPE_CONST, {.i64=MODE_DEINTERLEAVE}, 0, 0, FLAGS, "alpha_mode"},
    {"luma_swap",   "swap luma fields",   OFFSET(luma_swap),   AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
    {"ls",          "swap luma fields",   OFFSET(luma_swap),   AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
    {"chroma_swap", "swap chroma fields", OFFSET(chroma_swap), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
    {"cs",          "swap chroma fields", OFFSET(chroma_swap), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
    {"alpha_swap",  "swap alpha fields",  OFFSET(alpha_swap),  AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
    {"as",          "swap alpha fields",  OFFSET(alpha_swap),  AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS},
    {NULL}
}

Definition at line 51 of file vf_il.c.

const AVFilterPad inputs[]

static

Initial value:

= {
    {
        .name             = "default",
        .type             = AVMEDIA_TYPE_VIDEO,
        .get_video_buffer = ff_null_get_video_buffer,
        .filter_frame     = filter_frame,
        .config_props     = config_input,
    },
    { NULL }
}

Definition at line 185 of file vf_il.c.

const AVFilterPad outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
    },
    { NULL }
}

Definition at line 196 of file vf_il.c.

AVFilter avfilter_vf_il

Initial value:

= {
    .name          = "il",
    .description   = NULL_IF_CONFIG_SMALL("Deinterleave or interleave fields."),
    .priv_size     = sizeof(IlContext),
    .query_formats = query_formats,
    .inputs        = inputs,
    .outputs       = outputs,
    .priv_class    = &il_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC,
}

Definition at line 204 of file vf_il.c.